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Porcelain Onlays
What is aporcelain onlay?
A porcelain onlay is fabricated to fit your tooth precisely and is bonded
tightly in place to strengthen and protect the damaged tooth. Like a crown, an onlay
covers and protects the tooth's biting surface. Where a crown covers the entire
tooth, an onlay fits inside the tooth cusps and covers only the bitting surfaces.
Because an onlay is fabricated in a dental laboratory, it takes two or more appointments
to restore a tooth with a porcelain onlay.
First visit
We want the entire procedure to be comfortable for you, so the first thing
we do is make sure your mouth is throughly numb. Depending on the size of the filling
and which tooth we're working on, we may use a rubber dam. A rubber dam is a small,
flexible rubber sheet that isolates the teeth we're working on and prevents anything
from falling to the back of your throat. Then we use the hand piece to remove the
decay and shape the tooth.
The next step is to take impressions of your teeth, which we then use to make models
on which the dental laboratory will fabricate your porcelain onlay. Sometimes we
put a small piece of string in the space between the tooth and the gum. We use the
string to gently push the gum away from the tooth so that we can get a more complete
impression. When w're finished, we place a temporary onlay in your tooth, which
you'll wear until your next appointment when we place the permanent onlay.
The second visit
We then remove the temporary onlay and make sure that your new porcelain
onlay fits properly. We check the fit and your bite, and when everything looks good,
we cement or bond your new porcelain onlay in place.
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An onlay |
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Creating a model |
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Porcelain onlays look natural |
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